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Finding the Fourth Proportional to 62,940.84, 94,451.10 and 57,029.77

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Solution

The fourth proportional to 62,940.84, 94,451.10 and 57,029.77 is: 85,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,940.84 : 94,451.10 = 57,029.77 : x
  2. Step 2: Convert to fraction form
    62,940.84/94,451.10 = 57,029.77/x
  3. Step 3: Cross multiply
    62,940.84x = 94,451.10 × 57,029.77
  4. Step 4: Simplify right side
    62,940.84x = 5,386,524,509.25
  5. Step 5: Solve for x
    x = 5,386,524,509.25/62,940.84
  6. Step 6: Final answer
    x = 85,580.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.